Color measuring apparatus with position adjustment

Details Color measuring apparatus with position adjustment Color measuring apparatus with position adjustment

1995-03-24

1997-01-07

Evans, F. L.

Optics: measuring and testing

By shade or color

250226, 25055929, G01J 350

Patent

active

055922945

ABSTRACT:
An apparatus for measuring a characteristic of an object, the apparatus includes: a light projector which projects light to an object; a photosensor which senses light which has been projected by the light projector and reflected from the object; a calculator which calculates a characteristic of the object based on an output of the photosensor; an angle detector which detects respective angles of the light projector and the photosensor with respect to the object; an adjustment mechanism which adjusts the respective angles of the light projector and the photosensor; and a controller which controls the adjustment mechanism based on a detection result of the angle detector so that the light projector and the photosensor come into their respective desired angles.

REFERENCES:
patent: 4317991 (1982-03-01), Stauffer
patent: 4707138 (1987-11-01), Coatney
patent: 4917495 (1990-04-01), Steenhoek
patent: 5071252 (1991-12-01), Matsuura

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